You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!

If you have any problems with the registration process or your account login, please contact support.

Also, if you have read this far, we might as well let you know that the REAL action happens in our community section. Join us to find out!

Am not sure about this part. I was not there when they put it back. I can't recollect any sophisticated tool they used to remove the injectors. So when they put it back, am not sure how they torque it to spec.

removal doesnt require special tools. torquing is a fancy word for tightening bolts. it should be done with a torque wrench. the torque spec is usually found in a service manual and wrench set to disengage at that particular value.

looser than that spec, there is a good chance of the fastener backing out due to stresses. tighter than spec, there is a good chance that the fastener itself might weaken and stretch, or threads might be damaged.

I believe there was a chart in the Service Center/Workshop specifying the same.

which workshop was this?

unfortunately, most people - including service center people - are averse to using a torque wrench. the only way to make sure that the right torque has been applied is to:
1. do it yourself
2. be physically present and ensure that the mechanics have used a properly calibrated and set wrench

Though I would be concerned about the dust accumulating in the intake pipe near the MAF sensor post air filter - if I see correctly in the 2nd photo. Rub your finger through the inside intake tract to determine the dust level.

the dust accumulating in the intake pipe near the MAF sensor post air filter

Noob questions:
- Would this happen only with after market air filters (like K&N)?
- If yes, is it because of the air intake design of this particular engine?
- How does the stock air filter work better in preventing the dust/particles?

I found it missing on few injectors & technician told me that it fall of inside while removing the injectors.

This is impossible. This is basic that loose metal parts in the combustion chamber will cause havoc to the engine. I took off the heads of a BMW motorcycle once to grind the valves. I saw that a tiny piece of his exhause valve had broken off and the top of the piston was badly pitted. It looked like someone had been poking at it with a pointed tool.

Originally Posted by Evolution88

Something to worry about?

No. I am not familiar with your injectors and I am comparing with a Volvo petrol injector which had no copper but 2 silicon seals. My car has only a copper seal and a very tight fit and need a special tool to extract them.